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Friday, 19 July 2019
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Raw materials & technologies, Applications

Formation mechanisms of environmentally acceptable chemical conversion coatings for zinc

Monday, 11 February 2019

A current review examines the formation mechanisms of environmentally compatible chemical conversion coatings for zinc.

A new review covers recent research that has led to advances in formation mechanisms of environmentally acceptable conversion coatings for zinc. Source: d-jukic – stock.adobe.com.
A new review covers recent research that has led to advances in formation mechanisms of environmentally acceptable conversion coatings for zinc. So...

Eco-friendly conversion treatments have attracted a great interest for corrosion protection of Zn-based materials. Considerable work has been undertaken on the development of advanced conversion coatings. However, the complete range of formation mechanisms of these coatings is not fully understood. Comprehensive understanding of the mechanisms of coating formation, from coating methodologies to fundamentals, is lacking.

Environmentally acceptable conversion coatings for zinc

A new review covers recent research that has led to advances in formation mechanisms of environmentally acceptable conversion coatings for zinc, including the thermodynamic stability of chemical systems, the illumination of intermediate reactions, the characterisation of the element compositions of coatings, and the deduction for the formation mechanisms of coatings.

New technologies of conversion treatments

Representative surface treatment techniques, including phosphate coating, molybdate coating, rare earth coating, vanadate coating, IV(B) metal coating, and silane coating, are discussed in detail. Finally, focused on the strategies used to develop new technologies of conversion treatments, discussions on future trends and perspectives of clever design solutions and advanced analytical methods for formation processes will be given finally.

The study is published in: Journal of Coatings Technology and Research  January 2019, Volume 16, Issue 1, pp 1–13.

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